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BoofCV is an open source Java library for real-time computer vision and robotics applications.
/*
* Copyright (c) 2011-2019, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package boofcv.factory.interpolate;
import boofcv.abst.filter.interpolate.InterpolatePixel_PL_using_SB;
import boofcv.alg.interpolate.*;
import boofcv.alg.interpolate.impl.*;
import boofcv.alg.interpolate.kernel.BicubicKernel_F32;
import boofcv.core.image.border.FactoryImageBorder;
import boofcv.struct.border.BorderType;
import boofcv.struct.image.*;
/**
* Simplified interface for creating interpolation classes.
*
* @author Peter Abeles
*/
@SuppressWarnings({"unchecked"})
public class FactoryInterpolation {
/**
* Returns {@link InterpolatePixelS} of the specified type.
*
* @param min Minimum possible pixel value. Inclusive.
* @param max Maximum possible pixel value. Inclusive.
* @param type Type of interpolation.
* @param dataType Type of gray-scale image
* @return Interpolation for single band image
*/
public static > InterpolatePixelS
createPixelS(double min, double max, InterpolationType type, BorderType borderType , ImageDataType dataType )
{
Class t = ImageDataType.typeToSingleClass(dataType);
return createPixelS(min,max,type,borderType,t);
}
public static > InterpolatePixel
createPixel(double min, double max, InterpolationType type, BorderType borderType, ImageType imageType) {
switch( imageType.getFamily() ) {
case GRAY:
case PLANAR:
return createPixelS(min, max, type, borderType, imageType.getImageClass());
case INTERLEAVED:
return createPixelMB(min,max,type,borderType,(ImageType)imageType);
default:
throw new IllegalArgumentException("Unknown family");
}
}
/**
* Creates an interpolation class of the specified type for the specified image type.
*
* @param min Minimum possible pixel value. Inclusive.
* @param max Maximum possible pixel value. Inclusive.
* @param type Interpolation type
* @param borderType Border type. If null then it will not be set here.
* @param imageType Type of input image
* @return Interpolation
*/
public static > InterpolatePixelS
createPixelS(double min, double max, InterpolationType type, BorderType borderType, Class imageType)
{
InterpolatePixelS alg;
switch( type ) {
case NEAREST_NEIGHBOR:
alg = nearestNeighborPixelS(imageType);
break;
case BILINEAR:
return bilinearPixelS(imageType, borderType);
case BICUBIC:
alg = bicubicS(-0.5f, (float) min, (float) max, imageType);
break;
case POLYNOMIAL4:
alg = polynomialS(4, min, max, imageType);
break;
default:
throw new IllegalArgumentException("Add type: "+type);
}
if( borderType != null )
alg.setBorder(FactoryImageBorder.single(imageType, borderType));
return alg;
}
/**
* Pixel based interpolation on multi-band image
*
* @param min Minimum possible pixel value. Inclusive.
* @param max Maximum possible pixel value. Inclusive.
* @param type Interpolation type
* @param imageType Type of input image
*/
public static > InterpolatePixelMB
createPixelMB(double min, double max, InterpolationType type, BorderType borderType, ImageType imageType )
{
switch (imageType.getFamily()) {
case PLANAR:
return (InterpolatePixelMB) createPixelPL((InterpolatePixelS)createPixelS(min, max, type, borderType, imageType.getDataType()));
case GRAY:{
InterpolatePixelS interpS = createPixelS(min,max,type,borderType,imageType.getImageClass());
return new InterpolatePixel_S_to_MB(interpS);
}
case INTERLEAVED:
switch( type ) {
case NEAREST_NEIGHBOR:
return nearestNeighborPixelMB((ImageType) imageType, borderType);
case BILINEAR:
return bilinearPixelMB((ImageType)imageType,borderType);
default:
throw new IllegalArgumentException("Interpolate type not yet support for ImageInterleaved");
}
default:
throw new IllegalArgumentException("Add type: "+type);
}
}
/**
* Converts a single band interpolation algorithm into a mult-band interpolation for {@link Planar} images.
* NOTE: If a specialized interpolation exists you should use that instead of this the specialized code can
* reduce the number of calculations.
*
* @param singleBand Interpolation for a single band.
* @param Single band image trype
* @return Interpolation for Planar images
*/
public static > InterpolatePixelMB>
createPixelPL(InterpolatePixelS singleBand) {
return new InterpolatePixel_PL_using_SB<>(singleBand);
}
public static > InterpolatePixelS bilinearPixelS(T image, BorderType borderType) {
InterpolatePixelS ret = bilinearPixelS((Class) image.getClass(), borderType);
ret.setImage(image);
return ret;
}
public static > InterpolatePixelS bilinearPixelS(Class imageType, BorderType borderType ) {
InterpolatePixelS alg;
if( imageType == GrayF32.class )
alg = (InterpolatePixelS)new ImplBilinearPixel_F32();
else if( imageType == GrayF64.class )
alg = (InterpolatePixelS)new ImplBilinearPixel_F64();
else if( imageType == GrayU8.class )
alg = (InterpolatePixelS)new ImplBilinearPixel_U8();
else if( imageType == GrayU16.class )
alg = (InterpolatePixelS)new ImplBilinearPixel_U16();
else if( imageType == GrayS16.class )
alg = (InterpolatePixelS)new ImplBilinearPixel_S16();
else if( imageType == GrayS32.class )
alg = (InterpolatePixelS)new ImplBilinearPixel_S32();
else
throw new RuntimeException("Unknown image type: "+ typeName(imageType));
if( borderType != null )
alg.setBorder(FactoryImageBorder.single(imageType, borderType));
return alg;
}
public static > InterpolatePixelMB bilinearPixelMB(T image, BorderType borderType) {
InterpolatePixelMB ret = bilinearPixelMB(image.getImageType(), borderType);
ret.setImage(image);
return ret;
}
public static > InterpolatePixelMB bilinearPixelMB(ImageType imageType, BorderType borderType ) {
InterpolatePixelMB alg;
int numBands = imageType.getNumBands();
if( imageType.getFamily() == ImageType.Family.INTERLEAVED ) {
switch( imageType.getDataType()) {
case U8:
alg = (InterpolatePixelMB)new ImplBilinearPixel_IL_U8(numBands);
break;
case U16:
alg = (InterpolatePixelMB)new ImplBilinearPixel_IL_U16(numBands);
break;
case S16:
alg = (InterpolatePixelMB)new ImplBilinearPixel_IL_S16(numBands);
break;
case S32:
alg = (InterpolatePixelMB)new ImplBilinearPixel_IL_S32(numBands);
break;
case F32:
alg = (InterpolatePixelMB)new ImplBilinearPixel_IL_F32(numBands);
break;
case F64:
alg = (InterpolatePixelMB)new ImplBilinearPixel_IL_F64(numBands);
break;
default:
throw new IllegalArgumentException("Add support");
}
if( borderType != null )
alg.setBorder(FactoryImageBorder.interleaved(imageType.getImageClass(), borderType));
} else {
throw new IllegalArgumentException("Only interleaved current supported here");
}
return alg;
}
public static > InterpolatePixelMB nearestNeighborPixelMB(ImageType imageType, BorderType borderType ) {
InterpolatePixelMB alg;
if( imageType.getFamily() == ImageType.Family.INTERLEAVED ) {
switch( imageType.getDataType()) {
case U8:
alg = (InterpolatePixelMB)new NearestNeighborPixel_IL_U8();
break;
case S16:
alg = (InterpolatePixelMB)new NearestNeighborPixel_IL_S16();
break;
case S32:
alg = (InterpolatePixelMB)new NearestNeighborPixel_IL_S32();
break;
case F32:
alg = (InterpolatePixelMB)new NearestNeighborPixel_IL_F32();
break;
default:
throw new IllegalArgumentException("Add support");
}
if( borderType != null )
alg.setBorder(FactoryImageBorder.interleaved(imageType.getImageClass(), borderType));
} else {
throw new IllegalArgumentException("Only interleaved current supported here");
}
return alg;
}
private static String typeName(Class type) {
return type == null ? "null" : type.getName();
}
public static > InterpolateRectangle bilinearRectangle(T image ) {
InterpolateRectangle ret = bilinearRectangle((Class)image.getClass());
ret.setImage(image);
return ret;
}
public static > InterpolateRectangle bilinearRectangle(Class type ) {
if( type == GrayF32.class )
return (InterpolateRectangle)new BilinearRectangle_F32();
else if( type == GrayU8.class )
return (InterpolateRectangle)new BilinearRectangle_U8();
else if( type == GrayS16.class )
return (InterpolateRectangle)new BilinearRectangle_S16();
else
throw new RuntimeException("Unknown image type: "+typeName(type));
}
public static > InterpolatePixelS nearestNeighborPixelS(Class type) {
if( type == GrayF32.class )
return (InterpolatePixelS)new NearestNeighborPixel_F32();
else if( type == GrayU8.class )
return (InterpolatePixelS)new NearestNeighborPixel_U8();
else if( type == GrayS16.class )
return (InterpolatePixelS)new NearestNeighborPixel_S16();
else if( type == GrayU16.class )
return (InterpolatePixelS)new NearestNeighborPixel_U16();
else if( type == GrayS32.class )
return (InterpolatePixelS)new NearestNeighborPixel_S32();
else
throw new RuntimeException("Unknown image type: "+typeName(type));
}
public static > InterpolateRectangle nearestNeighborRectangle(Class type ) {
if( type == GrayF32.class )
return (InterpolateRectangle)new NearestNeighborRectangle_F32();
// else if( type == GrayU8.class )
// return (InterpolateRectangle)new NearestNeighborRectangle_U8();
// else if( type == GrayS16.class )
// return (InterpolateRectangle)new NearestNeighborRectangle_S16();
else
throw new RuntimeException("Unknown image type: "+typeName(type));
}
public static > InterpolatePixelS bicubicS(float param, float min, float max, Class type) {
BicubicKernel_F32 kernel = new BicubicKernel_F32(param);
if( type == GrayF32.class )
return (InterpolatePixelS)new ImplInterpolatePixelConvolution_F32(kernel,min,max);
else if( type == GrayU8.class )
return (InterpolatePixelS)new ImplInterpolatePixelConvolution_U8(kernel,min,max);
else if( type == GrayS16.class )
return (InterpolatePixelS)new ImplInterpolatePixelConvolution_S16(kernel,min,max);
else
throw new RuntimeException("Unknown image type: "+typeName(type));
}
public static > InterpolatePixelS polynomialS(int maxDegree, double min, double max, Class type) {
if( type == GrayF32.class )
return (InterpolatePixelS)new ImplPolynomialPixel_F32(maxDegree,(float)min,(float)max);
else if( GrayI.class.isAssignableFrom(type) ) {
return (InterpolatePixelS)new ImplPolynomialPixel_I(maxDegree,(float)min,(float)max);
} else
throw new RuntimeException("Unknown image type: "+typeName(type));
}
}